Evaluation of Age Hardening Behavior in Welded Materials of Ti-15V-3Cr-3Sn-3Al Alloy by X-Ray Diffraction
Age hardening was significantly promoted at a weld joint of a conventionally heat-treated Ti-15V-3Cr-3Sn-3Al alloy. This local increase in hardness resulted in a decrease in fracture toughness of the weld joint. So a new heat treatment method has been developed to achieve its high fracture toughness...
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| Veröffentlicht in: | Journal of the Society of Materials Science, Japan Japan, 1993/06/15, Vol.42(477), pp.600-605 |
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| container_issue | 477 |
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| container_title | Journal of the Society of Materials Science, Japan |
| container_volume | 42 |
| creator | SHIRASUNA, Yoshio NOZUE, Akira OKUBO, Tadatsune KURIBAYASHI, Kazuhiko ISHIMOTO, Seiji SATO, Hiroshi YOSHIOKA, Yasuo |
| description | Age hardening was significantly promoted at a weld joint of a conventionally heat-treated Ti-15V-3Cr-3Sn-3Al alloy. This local increase in hardness resulted in a decrease in fracture toughness of the weld joint. So a new heat treatment method has been developed to achieve its high fracture toughness. On the basis of our experimental results, the age hardening behavior of the weld joint has been evaluated by X-ray diffraction. Back-reflection Debye patterns were observed in the weld-metal (WM), heat-affect-zone (HAZ) and base-metal (BM) of welded materials. The Debye patterns of WM and HAZ became wide in comparison with BM. Micro-lattice-strain and total misorientation increased in WM and HAZ. Furthermore, in WM and HAZ, sub-boundaries were observed within a recrystallized β grain. These results may suggest that sub-structures markedly affect the age hardening of the weld joint. |
| doi_str_mv | 10.2472/jsms.42.600 |
| format | Article |
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This local increase in hardness resulted in a decrease in fracture toughness of the weld joint. So a new heat treatment method has been developed to achieve its high fracture toughness. On the basis of our experimental results, the age hardening behavior of the weld joint has been evaluated by X-ray diffraction. Back-reflection Debye patterns were observed in the weld-metal (WM), heat-affect-zone (HAZ) and base-metal (BM) of welded materials. The Debye patterns of WM and HAZ became wide in comparison with BM. Micro-lattice-strain and total misorientation increased in WM and HAZ. Furthermore, in WM and HAZ, sub-boundaries were observed within a recrystallized β grain. These results may suggest that sub-structures markedly affect the age hardening of the weld joint.</description><identifier>ISSN: 0514-5163</identifier><identifier>EISSN: 1880-7488</identifier><identifier>DOI: 10.2472/jsms.42.600</identifier><language>jpn</language><publisher>The Society of Materials Science, Japan</publisher><subject>Age hardening ; Titanium alloy ; Welded materials ; X-ray diffraction</subject><ispartof>Journal of the Society of Materials Science, Japan, 1993/06/15, Vol.42(477), pp.600-605</ispartof><rights>by The Society of Materials Science, Japan</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids></links><search><creatorcontrib>SHIRASUNA, Yoshio</creatorcontrib><creatorcontrib>NOZUE, Akira</creatorcontrib><creatorcontrib>OKUBO, Tadatsune</creatorcontrib><creatorcontrib>KURIBAYASHI, Kazuhiko</creatorcontrib><creatorcontrib>ISHIMOTO, Seiji</creatorcontrib><creatorcontrib>SATO, Hiroshi</creatorcontrib><creatorcontrib>YOSHIOKA, Yasuo</creatorcontrib><title>Evaluation of Age Hardening Behavior in Welded Materials of Ti-15V-3Cr-3Sn-3Al Alloy by X-Ray Diffraction</title><title>Journal of the Society of Materials Science, Japan</title><addtitle>J. Soc. Mat. Sci., Japan</addtitle><description>Age hardening was significantly promoted at a weld joint of a conventionally heat-treated Ti-15V-3Cr-3Sn-3Al alloy. This local increase in hardness resulted in a decrease in fracture toughness of the weld joint. So a new heat treatment method has been developed to achieve its high fracture toughness. On the basis of our experimental results, the age hardening behavior of the weld joint has been evaluated by X-ray diffraction. Back-reflection Debye patterns were observed in the weld-metal (WM), heat-affect-zone (HAZ) and base-metal (BM) of welded materials. The Debye patterns of WM and HAZ became wide in comparison with BM. Micro-lattice-strain and total misorientation increased in WM and HAZ. Furthermore, in WM and HAZ, sub-boundaries were observed within a recrystallized β grain. These results may suggest that sub-structures markedly affect the age hardening of the weld joint.</description><subject>Age hardening</subject><subject>Titanium alloy</subject><subject>Welded materials</subject><subject>X-ray diffraction</subject><issn>0514-5163</issn><issn>1880-7488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNo9kMtOAjEYRhujiQRZ-QJduSv2Mp2ZLkdEMcGYKF52k9L-hZIyg-1AwtsLQV2dzTnf4kPomtEhzwp-u0rrNMz4MKf0DPVYWVJSZGV5jnpUsoxIlotLNEjJzynlnIsyUz3kxzsdtrrzbYNbh6sF4ImOFhrfLPAdLPXOtxH7Bn9CsGDxs-4geh3S0Z55wuQHEaNIxFtDRBVwFUK7x_M9_iKveo_vvXNRm-P8Fbpwhw4Gv-yj94fxbDQh05fHp1E1JSsmBSeZhDkFoygXVllZzovC2LKwErRzglslhZPMKWW1coYbWwjrVO6khZKaQ9VHN6fdTWy_t5C6eu2TgRB0A-021TwXjDN1FCcncZU6vYB6E_1ax32tY-dNgPr4J1O5qDNeZ0Xxh8O9_4pZ6lhDI34A_V1zQA</recordid><startdate>19930615</startdate><enddate>19930615</enddate><creator>SHIRASUNA, Yoshio</creator><creator>NOZUE, Akira</creator><creator>OKUBO, Tadatsune</creator><creator>KURIBAYASHI, Kazuhiko</creator><creator>ISHIMOTO, Seiji</creator><creator>SATO, Hiroshi</creator><creator>YOSHIOKA, Yasuo</creator><general>The Society of Materials Science, Japan</general><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>19930615</creationdate><title>Evaluation of Age Hardening Behavior in Welded Materials of Ti-15V-3Cr-3Sn-3Al Alloy by X-Ray Diffraction</title><author>SHIRASUNA, Yoshio ; NOZUE, Akira ; OKUBO, Tadatsune ; KURIBAYASHI, Kazuhiko ; ISHIMOTO, Seiji ; SATO, Hiroshi ; YOSHIOKA, Yasuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j1532-45eb0ec9023d9d58b77cd87d5eaff32d953f51f99da9fc2cd73df96f5de80c023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>jpn</language><creationdate>1993</creationdate><topic>Age hardening</topic><topic>Titanium alloy</topic><topic>Welded materials</topic><topic>X-ray diffraction</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIRASUNA, Yoshio</creatorcontrib><creatorcontrib>NOZUE, Akira</creatorcontrib><creatorcontrib>OKUBO, Tadatsune</creatorcontrib><creatorcontrib>KURIBAYASHI, Kazuhiko</creatorcontrib><creatorcontrib>ISHIMOTO, Seiji</creatorcontrib><creatorcontrib>SATO, Hiroshi</creatorcontrib><creatorcontrib>YOSHIOKA, Yasuo</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of the Society of Materials Science, Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SHIRASUNA, Yoshio</au><au>NOZUE, Akira</au><au>OKUBO, Tadatsune</au><au>KURIBAYASHI, Kazuhiko</au><au>ISHIMOTO, Seiji</au><au>SATO, Hiroshi</au><au>YOSHIOKA, Yasuo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Age Hardening Behavior in Welded Materials of Ti-15V-3Cr-3Sn-3Al Alloy by X-Ray Diffraction</atitle><jtitle>Journal of the Society of Materials Science, Japan</jtitle><addtitle>J. Soc. Mat. Sci., Japan</addtitle><date>1993-06-15</date><risdate>1993</risdate><volume>42</volume><issue>477</issue><spage>600</spage><epage>605</epage><pages>600-605</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><abstract>Age hardening was significantly promoted at a weld joint of a conventionally heat-treated Ti-15V-3Cr-3Sn-3Al alloy. This local increase in hardness resulted in a decrease in fracture toughness of the weld joint. So a new heat treatment method has been developed to achieve its high fracture toughness. On the basis of our experimental results, the age hardening behavior of the weld joint has been evaluated by X-ray diffraction. Back-reflection Debye patterns were observed in the weld-metal (WM), heat-affect-zone (HAZ) and base-metal (BM) of welded materials. The Debye patterns of WM and HAZ became wide in comparison with BM. Micro-lattice-strain and total misorientation increased in WM and HAZ. Furthermore, in WM and HAZ, sub-boundaries were observed within a recrystallized β grain. These results may suggest that sub-structures markedly affect the age hardening of the weld joint.</abstract><pub>The Society of Materials Science, Japan</pub><doi>10.2472/jsms.42.600</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Age hardening Titanium alloy Welded materials X-ray diffraction |
| title | Evaluation of Age Hardening Behavior in Welded Materials of Ti-15V-3Cr-3Sn-3Al Alloy by X-Ray Diffraction |
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